CATEngine Parts

20r-2478-20r2478 6 Pcs Fuel Injector — Cat

These are high-pressure fuel injectors designed to precisely meter and atomize diesel fuel into the combustion chamber of Caterpillar engines. Manufactured to strict tolerances, they ensure optimal fuel delivery and combustion efficiency, unlike worn injectors that leak or spray erratically. Operators may experience rough idling, loss of power, increased exhaust smoke, or difficulty starting.

6 Pcs Fuel Injector – Part No 20r-2478-20r2478 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeFuel Injector
MaterialHardened steel alloy
ApplicationFuel injection system
Service LifeReplace as a set when performance degrades
CompatibilityCAT C6, C7, C6.6, C7.1
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial symptoms of failing fuel injectors include a noticeable increase in black exhaust smoke and a rougher engine idle. If ignored, fuel consumption will increase, and engine power will continue to diminish, making the equipment sluggish. Prolonged operation with faulty injectors can lead to piston damage due to improper combustion.

Installation Tip

Thoroughly clean the injector bore in the cylinder head before installing new injectors to prevent leaks. Ensure the sealing washer is correctly seated and that no debris interferes with the seal.

Service Note

Inspect the fuel filter and fuel lines for any signs of contamination or damage when replacing fuel injectors.